// out: ./
* {
  margin: 0;
  padding: 0;
}

// 68 * 29 转为vw
// 设计稿：375px
// 1vw = 1/100 * 375
// XXvw * 3.75 = 68px
.box {
  width: (68 / 3.75vw);
  height: (29 / 3.75vw);
  background-color: pink;
}

.box2 {
  width: (68 / 6.67vh);
  height: (29 / 6.67vh);
  background-color: skyblue;
}